function drawVisualization() {
  var data = google.visualization.arrayToDataTable([
    ['Country', 'Popularity'],
    ['Germany', 200],
    ['United States', 300],
    ['Brazil', 400],
    ['Canada', 500],
    ['France', 600],
    ['RU', 700]
  ]);

  var geomap = new google.visualization.GeoMap(
      document.getElementById('visualization'));
  geomap.draw(data, null);
}
